Finding the Fourth Proportional to 118,784.05, 163,922.03 and 65,070.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,784.05 : 163,922.03 = 65,070.98 : x
2. Step 2: Convert to fraction form
   118,784.05/163,922.03 = 65,070.98/x
3. Step 3: Cross multiply
   118,784.05x = 163,922.03 × 65,070.98
4. Step 4: Simplify right side
   118,784.05x = 10,666,567,135.69
5. Step 5: Solve for x
   x = 10,666,567,135.69/118,784.05
6. Step 6: Final answer
   x = 89,797.97